A086081 - cp's OEIS frontend

A086081 Numbers m such that m and its 2's complement are both primes. In other words, m and 2^k - m (where k is the smallest power of 2 such that 2^k > m) are primes.

n	a(n)
1	2
2	5
3	11
4	13
5	19
6	29
7	41
8	47
9	53
10	59
11	61
12	67
13	97
14	109
15	149
16	167
17	173
18	197
19	227
20	233
21	239
22	251
23	271
24	283
25	313
26	331
27	349
28	373
29	409
30	433
31	439
32	499
33	509
34	521
35	557
36	563
37	593
38	641
39	677
40	743
41	761
42	773
43	797
44	827
45	857
46	887
47	911
48	941
49	953
50	971
51	977
52	983
53	1013
54	1019
55	1021

[2, 5, 11, 13, 19, 29, 41, 47, 53, 59, 61, 67, 97, 109, 149, 167, 173, 197, 227, 233, 239, 251, 271, 283, 313, 331, 349, 373, 409, 433, 439, 499, 509, 521, 557, 563, 593, 641, 677, 743, 761, 773, 797, 827, 857, 887, 911, 941, 953, 971, 977, 983, 1013, 1019, 1021]

cp's OEIS Frontend

A086081 Numbers m such that m and its 2's complement are both primes. In other words, m and 2^k - m (where k is the smallest power of 2 such that 2^k > m) are primes.

Table of values

List of values